Hi All, I'm new to the group and I could use some advice.

A couple of years ago my girlfriend purchased a carbon kayak paddle,
manufactured by Prijon of germany. After she had been using the paddle
for a year or so It was clear that the paddle was too long for her, so
after consulting with the manufacturer we got them to send us some
epoxy and a spigot, cut a section out of the middle of the shaft, and
stuck the paddle back again with the correct feather.

For about one season this worked well, but after that the paddle
started to get some movement around the joint and would twist when a
powerful stroke was applied. In order to re-glue the joint, I need to
get the paddle apart, but although the joint moves a little when force
is applied, I have been unable to take the paddle apart again so that
the joint can be repaired.

In addition while trying to get some leverage to twist the middle joint
apart, one of the blades loosened somewhat and now has a similar
problem.

So my question is, does anybody know of any good methods for getting
apart, joints in carbon paddles, which are too weak to use, yet too
strong to easily take apart for re-glueing?